From: RayBryan (raycomp_at_visi.com)
Date: 2007-01-11 16:04:42
On Jan 10, 2007, at 10:02 PM, Cameron Kaiser wrote: >>>> I've got an Indus GT floppy drive for C64... >> >>> One of the interesting things about this drive is that there's >>> another >>> ROM that you can address as drive 1: to load utility programs >>> from. A >>> clever idea! >> >> That's a wild idea. I didn't know they could do that. Is the data >> for "1:" entwined with the drive's normal firmware, or is it in, say, >> a separate ROM that could be changed? > > Good question, never cracked the drive to find out. It's advertised > as a > "ROM drive" in the manual, but that doesn't mean anything. Eproms on the Indus board - 2) Intel2764 U17,U18 each rev1.1; 1 AMD am2764 U19 V1.1 - there is a static RAM SY2128L-4 (is that a 32K? - 2x128 bits? that would be huge compared to 1541 with 2K of Ram) The board has 2) SY6522s and a SYU6502 and bunch of logic ics. There are 2 chips 4114R-001 -331 *B c8618 Yellow plastic package 14 pin dip - I do not recognize these --Ray ------------------------------------------------------------------------ --- |Raymond C. Bryan 651-642-9890 vox | The battle is sometimes to the | |Raymond Computer 651-642-9891 fax | small for the bigger they are | |795 Raymond Ave - email raycomp | the harder they fall. | |St Paul MN 55114 at_visi_dot_com | -- James Thurber -- | |USA Amiga - Commodore | | | http://www.raycomp.com | | ------------------------------------------------------------------------ --- Message was sent through the cbm-hackers mailing list
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